Download IPSW
Download 4.0.2 (8A400) for iPhone 3G
| Version: | 4.0.2 |
| Build: | 8A400 |
| Signed: | No |
| Size: | 0.3 GB |
| Upload Date: | 2010-08-09 19:52:20 |
| SHA1: | ee2bc74719170a7a2440b593b6f300727c930c69 |
| MD5: | 6f3aefe1f8f516ae6e91fe993749347a |
| SHA256: | 0b674e23dbd24d796eda26c9c57567f45431f3f85ca354d3d338add8a1bc4bd4 |
Secure download directly from Apple’s servers
— STEP BY STEP
Download IPSW Firmware the Simple Way
Follow these simple steps to update your device safely without losing any of your important data.
3
Turn Off Find My
Switch off Find My from settings first, since it can block the firmware update and prevent installation from starting properly.
4
Install the IPSW File
Open Finder or iTunes, choose the correct firmware file, and begin the update using the right key combination very carefully.
5
Restore Your Data
Once the installation finishes, safely restore your saved backup to bring back your apps, photos, and settings without losing anything.
1
Back Up your data
Back up your device using iCloud or iTunes before you begin, so your files and settings always stay completely safe.
2
Connect Your Device Properly
Plug your device into your computer with a reliable cable, so the connection stays steady during the entire installation process.
IPSW has become a trusted destination for anyone managing an Apple device, offering direct downloads alongside clear, practical guidance. With a growing base of users across different regions, the platform stays focused on making firmware updates simple and stress-free. The goal is straightforward: cut through the confusion and give people accurate, current information they can actually rely on.